Home / 27,945.70-41,918.55-10,411.90

Finding the Fourth Proportional to 27,945.70, 41,918.55 and 10,411.90

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Solution

The fourth proportional to 27,945.70, 41,918.55 and 10,411.90 is: 15,617.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,945.70 : 41,918.55 = 10,411.90 : x
  2. Step 2: Convert to fraction form
    27,945.70/41,918.55 = 10,411.90/x
  3. Step 3: Cross multiply
    27,945.70x = 41,918.55 × 10,411.90
  4. Step 4: Simplify right side
    27,945.70x = 436,451,750.75
  5. Step 5: Solve for x
    x = 436,451,750.75/27,945.70
  6. Step 6: Final answer
    x = 15,617.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.